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Super Precision Angular Contact Ball Bearings 7208 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7208 ACD/HCP4A

The 7208 ACD/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, designed for high-speed applications. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 7178 lbf.

The open design and phenolic cage make it easy to maintain, while the P4 tolerance class guarantees exceptional accuracy. It can handle speeds up to 32,000 RPM, making it suitable for demanding environments.

This bearing is preloaded for better performance and works in temperatures from -30°C to 110°C. Weighing just 0.33kg, it’s a lightweight yet robust choice for precision machinery like spindles or CNC equipment.

Interchangeable with SKF bearings, it offers a reliable replacement option. The chrome steel rings and ceramic balls provide durability and reduced friction for long-lasting use.

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Product Parameters

  • Part Number 7208 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 7178 lbf
  • Static Radial Load 5130 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 32000 rpm
  • Weight 0.33 kg
  • Price（$） 1.44
Super Precision Angular Contact Ball Bearings 7208 ACD/HCP4A dimension drawing
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Features

Why Choose 7208 ACD/HCP4A Bearing for Precision Tasks?

7208 ACD/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation even at high speeds.
The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 32,000 rpm and P4 tolerance class, it excels in high-precision applications.

Application

How Does 7208 ACD/HCP4A Bearing Improve Performance?
7208 ACD/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls reduce friction and heat buildup. The 25° contact angle ensures stable performance under combined radial and axial loads.

In automotive applications, 7208 ACD/HCP4A Bearing enhances the efficiency of electric motor systems, particularly in hybrid vehicles. Its phenolic cage provides excellent durability even in demanding conditions.

For robotics, 7208 ACD/HCP4A Bearing offers precise motion control in articulated arms and joints. The P4 tolerance class guarantees consistent accuracy for repetitive tasks.

Medical imaging devices benefit from 7208 ACD/HCP4A Bearing’s smooth operation and low vibration levels. The chrome steel rings ensure long service life in critical healthcare equipment.

In aerospace systems, 7208 ACD/HCP4A Bearing handles high rotational speeds while maintaining reliability. Its lightweight design helps reduce overall component weight without sacrificing performance.

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